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Finding the Fourth Proportional to 886.00, 1,222.06 and 752.30

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Solution

The fourth proportional to 886.00, 1,222.06 and 752.30 is: 1,037.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    886.00 : 1,222.06 = 752.30 : x
  2. Step 2: Convert to fraction form
    886.00/1,222.06 = 752.30/x
  3. Step 3: Cross multiply
    886.00x = 1,222.06 × 752.30
  4. Step 4: Simplify right side
    886.00x = 919,359.56
  5. Step 5: Solve for x
    x = 919,359.56/886.00
  6. Step 6: Final answer
    x = 1,037.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.